2837938eaa7adbea02cb836191e58ac41d3a9316af1992874eb4cd18766baee5

General

Target
2026-11-01_e2f2145dc2f6fa081a00476bdcebcbfb_elex_wannacry.exe
Size 91KB
Sample261102-gad2ssht8p
SHA256 2837938eaa7adbea02cb836191e58ac41d3a9316af1992874eb4cd18766baee5
MD5 e2f2145dc2f6fa081a00476bdcebcbfb
SHA1 0fdfdcdce0a6786d62d10d0b132aa812a4cb899a
SHA512 2d8d1371ac4d6a4626354c34d5e89fb95723ccc5bb05b27d8d1a4421b5c05ce747ba55b858069f5c1ef6ce8af761204742d043f04c0a33a1b105faecb281d370
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzla:eSABNx6vb4RoI4pyjHYLhal01UoPX
TLSH
T165938D47ABA598E5E0206C70161D673483EED86F3B1597A34384FE4EE133D95EC3A18E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery execution

Malware Config

Signatures

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
1708	gplpfnj.exe

Executes dropped EXE 1 IoCs

pid	Process
1708	gplpfnj.exe

Loads dropped DLL 1 IoCs

pid	Process
2016	rundll32.exe

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
2240	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3836	2016	WerFault.exe	93

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-11-01_e2f2145dc2f6fa081a00476bdcebcbfb_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gplpfnj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2240	cmd.exe
1124	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1124	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1744	2026-11-01_e2f2145dc2f6fa081a00476bdcebcbfb_elex_wannacry.exe
1708	gplpfnj.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 2240	1744	2026-11-01_e2f2145dc2f6fa081a00476bdcebcbfb_elex_wannacry.exe	89
PID 2240 wrote to memory of 1124	2240	cmd.exe	91
PID 2240 wrote to memory of 1708	2240	cmd.exe	92
PID 1708 wrote to memory of 2016	1708	gplpfnj.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-11-01_e2f2145dc2f6fa081a00476bdcebcbfb_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-01_e2f2145dc2f6fa081a00476bdcebcbfb_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\gplpfnj.exe "C:\Users\Admin\AppData\Local\Temp\2026-11-01_e2f2145dc2f6fa081a00476bdcebcbfb_elex_wannacry.exe"
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2240
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1124
- - \??\c:\gplpfnj.exe
    c:\gplpfnj.exe "C:\Users\Admin\AppData\Local\Temp\2026-11-01_e2f2145dc2f6fa081a00476bdcebcbfb_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1708
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\tsrkd\clvnnnlna.dll",DoVirusScan c:\gplpfnj.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:2016
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2016 -s 476
        5⤵
        Program crash
        
        PID:3836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2016 -ip 2016
1⤵
PID:5864

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

1

T1070.004

Credential Access

Discovery

Remote System Discovery

1

T1018

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

gplpfnj.exe

Path \??\c:\gplpfnj.exe
Size 91KB
SHA256 8e989c9bccae108482bf4e379eeea98d88da7a878fdc9834bbe3fbedb39d0f4b
MD5 134f1efc3164ee15e1ac97a959807ffd
SHA1 9a2ab76f372cd00d3cda57a15c90f9702df74515
SHA512 442c573aa975bfe46d8036586789e6c80376b2c295def47948437b99e3165eac7d7af6674c3e1d524f79db00cb3f098fb28d7b65b91a804648ef8e8206068344
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlp:eSABNx6vb4RoI4pyjHYLhal01UoPXN
TLSH
T1B2938D47ABA598E5E0206C70161D673087EED86F3B1497A34384FE4EE133D95EC3A18E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

clvnnnlna.dll

Path \??\c:\tsrkd\clvnnnlna.dll
Size 50KB
SHA256 7604a0d3e695ff2f47b2961a860aa77e41952df48c132c18ac8d84e6ed3ee8eb
MD5 18cc91cc0c4c41e39a2c5310e760f0ef
SHA1 aaacc94db8d8a37e5d34878aa259d3274a5ff2a7
SHA512 8abba5220a7216288d0d2c683a5d01b796b1179464a2432eda991004348223c822c54ab39fd19302ff01974ec8d026e98280e9f1bdb67178126d75a974ecc7e7
SSDEEP 768:Z+arYIR3u5v4bGwCl56LNQQe5JBtGf1oTYtx/qQvo9:ZPrG57TzDxJS6Etx/ZvO
TLSH
T1AB33E178E1F4B8F6E46EAB345D82146DB1C16BD34D3080BA079224AF6C37E578B52731
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1708-6-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/1744-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/1744-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/2016-9-0x0000000010000000-0x0000000010032000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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